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Intermediate Rigging (BOOM VOC) Test | Questions
and Answers | Latest 2025 / 2026 Update | 100 out of
100 | GRADED A
Question:
What factor would you apply in determining the minimum capacity requirement for cranes, slings etc for use in a dual crane lift?
Answer:
20% reduction for each crane
Question:
When using more than one crane for a lift, how many crane motions would you direct at any one time?
Answer:
One
Question:
When rotating a load using two cranes, how much weight must the primary crane be capable of carrying?
Answer:
100% of the load
Question:
Is a person with a basic rigger certificate allowed to supervise dual crane lifts?
Answer:
No
Question:
Calculate the required minimum crane capacity for each crane where two cranes are used to lift a 35 tonne beam and the sling pints are located at equal distance from each end?
Answer:
35t divided by 2 = 17.5 x 20% = 21t Each crane must have a capacity of 21t at the required radius
Question:
When rotating a load using the main and auxiliary hooks on a single crane, how ` much weight must the whip line or auxiliary hook be capable of carrying?
Answer:
20% less than its rated capacity
Question:
What is the minimum amount of clearance required between the top layer of rope and the rim of the flange of a winch drum?
Answer:
A minimum of two full turns on the winch drum
Question:
How would you determine the fleet angle for an un-grooved winch drum?
60 degrees
